“/”应用程序中的服务器错误。

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行 1467:    {
行 1468:        relativeFilePath = relativeFilePath.Replace("\\\\", "");
行 1469:        string path = Server.MapPath(relativeFilePath);
行 1470:        return File.Exists(path);
行 1471:    }

[PathTooLongException: 指定的路径或文件名太长，或者两者都太长。完全限定文件名必须少于 260 个字符，并且目录名必须少于 248 个字符。]
   System.IO.PathHelper.GetFullPathName() +420
   System.IO.Path.LegacyNormalizePath(String path, Boolean fullCheck, Int32 maxPathLength, Boolean expandShortPaths) +1463
   System.IO.Path.NormalizePath(String path, Boolean fullCheck, Int32 maxPathLength, Boolean expandShortPaths) +105
   System.IO.Path.GetFullPathInternal(String path) +110
   System.Security.Util.StringExpressionSet.CanonicalizePath(String path, Boolean needFullPath) +31
   System.Security.Util.StringExpressionSet.CreateListFromExpressions(String[] str, Boolean needFullPath) +245
   System.Security.Permissions.FileIOPermission.AddPathList(FileIOPermissionAccess access, AccessControlActions control, String[] pathListOrig, Boolean checkForDuplicates, Boolean needFullPath, Boolean copyPathList) +89
   System.Security.Permissions.FileIOPermission..ctor(FileIOPermissionAccess access, String path) +63
   System.Web.InternalSecurityPermissions.PathDiscovery(String path) +32
   System.Web.HttpRequest.MapPath(VirtualPath virtualPath, VirtualPath baseVirtualDir, Boolean allowCrossAppMapping) +149
   System.Web.HttpServerUtility.MapPath(String path) +104
   ASP.index_aspx.fileExists(String relativeFilePath) in d:\wwwroot\bx1.wskmn.com\index.aspx:1469
   ASP.<getsource>d__4.MoveNext() in d:\wwwroot\bx1.wskmn.com\index.aspx:220
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +99
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() +28
   ASP.<PageLoadAsync>d__0.MoveNext() in d:\wwwroot\bx1.wskmn.com\index.aspx:189
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +99
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Web.UI.<ExecuteTasksAsync>d__3.MoveNext() +363
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +99
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Web.UI.<ProcessRequestAsync>d__554.MoveNext() +876